The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 29, 2024

Filed:

Apr. 22, 2022
Applicants:

Joshua Fischer, Imperial, MO (US);

Herbert J. Fischer, Imperial, MO (US);

Inventors:

Joshua Fischer, Imperial, MO (US);

Herbert J. Fischer, Imperial, MO (US);

Assignee:

H J Fischer LLC, Imperial, MO (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F 13/02 (2006.01); F16B 37/04 (2006.01);
U.S. Cl.
CPC ...
F24F 13/0209 (2013.01); F16B 37/042 (2013.01);
Abstract

A tie rod for spanning a duct interior to join duct walls bounding the duct interior, that can be simply and inexpensively fabricated from sheet metal or other suitable material, including automatically, securely fastenable quickly and easily to the duct walls, often by one person, and which can be configured to be nestable for efficient storage and shipping, of elongate construction for spanning a duct interior, with a transverse attachment flange or flanges that can be pre-bent or bent onsite at the installation location via special bending features to snug to a duct wall, and include holes for threadedly receiving fasteners, having a shape and size to reduce fastening torque, with a two attachment flange configuration that resiliently self retains the fastener against loosening from vibration and other forces.


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